Sekonic Auto-Leader L-38 User Manual

SEKONIC
Auto Leader L-38
L-38
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FOREWORD
Dear User.
Your Sekonic Auto-Leader L-38 meter is without question one of the most practical, least complicated, easier
and accurate made thus far: If you observe these few informative painters, you must become expert in its use
after the first using.

Sekonic Auto-Leader L-38 Specifications

General

Brand	Sekonic
Model	Auto-Leader L-38
Category	Measuring Instruments
Language	English

Summary

Foreword

Understanding Photoelectric Exposure Meters

How Photoelectric Cells Measure Light

Explains the photoelectric cell's sensitivity and averaging nature, contrasting it with human vision.

Meter's Role in Photography

Explains its indispensability for determining correct exposure under all lighting conditions.

Internal Components and Principles

Selenium Cell Operation

Explains the barrier layer type selenium cell and how light generates electricity.

Meter Component Identification

Lists and describes the primary external and internal parts of the Sekonic L-38 meter.

Basic Operation of the Meter

Using Index Markings for Light Conditions

Details how to use red, blue, and black triangles with the center disk for different light levels.

Calculator and Computer Dial Functions

Setting Film Speed (ASA/DIN)

Explains how to set the film speed using the calculator dial's ASA or DIN window.

Exposure Scales and Factors

LVS and EVS Scales Explained

Explains the use of LVS/EVS scales for cameras with compatible exposure value systems.

Conventional Exposure Factors

Details shutter speed and f/number combinations for correct exposure settings.

Advanced Metering Techniques

Movie Camera Settings

Guides on setting f/number for movie cameras based on frame rates.

General Scene Metering

Practical advice for outdoor scenes, including avoiding sky glare for better tonal balance.

Specific Scene Metering Scenarios

Close-Up Metering

Instructions for taking accurate readings of subjects at close distances.

Inaccessible Objects and Skin Tones

Using the palm of the hand as a reference for exposure, especially for skin tones.

Snow, Sea, and Water Scenes

Adjusting exposure for scenes with extremely high reflectance values.

Color Photography and Copying

Color Photography Exposure Considerations

Emphasizes metering highlights for color transparencies and shadows for B&W prints.

Copying with Artificial Lighting

Guidelines for metering subjects under artificial light for copying purposes.

Technical Specifications and Support

Technical Data and Formula

Presents the exposure formula for reflected light and the Sekonic calibration constant.

Warranty and Care Instructions

Details the product warranty and provides essential care and handling advice.

Maintenance and Troubleshooting

Zero Adjustment Procedure

Step-by-step guide to calibrate the meter's pointer to the zero mark.

Addressing Over/Underexposure

Tips for compensating exposure by adjusting ASA/DIN values for consistent results.